<html>
    <head>
        <title>Itowns - Globe + Multipolygon Geojson</title>

        <script type="importmap">
        {
            "imports": {
                "itowns": "../dist/itowns.js",
                "debug": "../dist/debug.js",
                "dat": "https://unpkg.com/dat.gui@0.7.9/build/dat.gui.module.js",
                "GuiTools": "./jsm/GUI/GuiTools.js",
                "LoadingScreen": "./jsm/GUI/LoadingScreen.js",
                "itowns_widgets": "../dist/itowns_widgets.js",
                "three": "https://unpkg.com/three@0.170.0/build/three.module.js",
                "three/addons/": "https://unpkg.com/three@0.170.0/examples/jsm/"
            }
        }
        </script>
        <meta charset="UTF-8">
        <link rel="stylesheet" type="text/css" href="css/example.css">
        <link rel="stylesheet" type="text/css" href="css/LoadingScreen.css">

        <meta name="viewport" content="width=device-width, initial-scale=1.0">
    </head>
    <body>
        <div id="viewerDiv" class="viewer"></div>
        <script type="module">

            import GuiTools from 'GuiTools';
            import setupLoadingScreen from 'LoadingScreen';
            import * as THREE from 'three';
            import * as itowns from 'itowns';
            import * as debug from 'debug';
            import * as itowns_widgets from 'itowns_widgets';
            // Define initial camera position
            var placement = {
                coord: new itowns.Coordinates('EPSG:4326', 3.05, 48.95),
                range: 70000,
            }

            // `viewerDiv` will contain iTowns' rendering area (`<canvas>`)
            var viewerDiv = document.getElementById('viewerDiv');

            // Instanciate iTowns GlobeView*
            var view = new itowns.GlobeView(viewerDiv, placement);
            var menuGlobe = new GuiTools('menuDiv', view);

            // Add one imagery layer to the scene
            // This layer is defined in a json file but it could be defined as a plain js
            // object. See Layer* for more info.
            itowns.Fetcher.json('./layers/JSONLayers/Ortho.json').then(function _(config) {
                config.source = new itowns.WMTSSource(config.source);
                var layer = new itowns.ColorLayer('Ortho', config);
                view.addLayer(layer).then(menuGlobe.addLayerGUI.bind(menuGlobe));
            });

            // Add two elevation layers.
            // These will deform iTowns globe geometry to represent terrain elevation.
            function addElevationLayerFromConfig(config) {
                config.source = new itowns.WMTSSource(config.source);
                var layer = new itowns.ElevationLayer(config.id, config);
                view.addLayer(layer).then(menuGlobe.addLayerGUI.bind(menuGlobe));
            }
            itowns.Fetcher.json('./layers/JSONLayers/IGN_MNT_HIGHRES.json').then(addElevationLayerFromConfig);
            itowns.Fetcher.json('./layers/JSONLayers/WORLD_DTM.json').then(addElevationLayerFromConfig);

            // Add a geometry layer, which will contain the multipolygon to display
            var marne = new itowns.FeatureGeometryLayer('Marne', {
                // Use a FileSource to load a single file once
                source: new itowns.FileSource({
                    url: 'https://raw.githubusercontent.com/iTowns/iTowns2-sample-data/master/multipolygon.geojson',
                    crs: 'EPSG:4326',
                    format: 'application/json',
                }),
                opacity: 0.7,
                zoom: { min: 10 },
                style: {
                    fill: {
                        color: new THREE.Color(0xbbffbb),
                        extrusion_height: 80,
                    }
                }
            });

            view.addLayer(marne).then(function menu(layer) {
                var gui = debug.GeometryDebug.createGeometryDebugUI(menuGlobe.gui, view, layer);
                debug.GeometryDebug.addWireFrameCheckbox(gui, view, layer);
            });
            window.view = view;
            window.itowns = itowns;
            window.THREE = THREE;

        </script>
    </body>
</html>



